F33 XFCE Evolution Printing Problem Fix

[ja]

Just in case anyone has problems printing from F33 evolution
the fix given on the evolution-l...@gnome.org list is  as follows

> I suppose your Fedora 32 has a different (2.28) version of webkit2gtk3
> package than the Fedora 33 installation (2.30). When you update the
> Fedora 32 you'll get the 2.30 version there as well.
> 
> I believe you face:
> https://bugs.webkit.org/show_bug.cgi?id=202363
> 
> Long story short: run Evolution from a terminal like this:
> 
>$ WEBKIT_FORCE_SANDBOX=0 evolution
> 
> Bye,
> Milan

https://mail.gnome.org/archives/evolution-list/2020-November/msg00088.html

John

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Re: Display Manager Configuration Files

[Stephen Morris]

On 5/11/20 10:50 pm, Ed Greshko wrote:

On 05/11/2020 11:07, Stephen Morris wrote:
found it is not a good idea to use systemctl to stop the 
current DM before enabling and starting the new DM.


For future reference, the best way to change to a different DM is to use

systemctl --force enable (DM to switch to)

Thanks Ed, I didn't know about that option.
I finally got all of KDE removed, and then installed the KDE Plasma 
Workspaces Group but that did not rectify the KDE issue. I got a 
notification that F33 was available so I upgraded to F33, found that the 
install of F33 did not upgrade grub to actually boot from the installed 
F33 kernel, and booted into gnome from gdm to ensure that gnome was 
still bootable, and found that the Wayland scaling issue to 4k 
resolution is still present in F33. Having verified that Gnome was 
working I tried KDE and KDE now appears to be working, the kicker is now 
usable, so it looks like whatever the F32 updates did to cause the KDE 
failures were rectified with F33.


regards,
Steve


Then reboot.

---
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Re: Swap on BTRFS

[Patrick O'Callaghan]

On Thu, 2020-11-05 at 17:46 -0600, Gabriel Ramirez wrote:
> On 11/5/20 4:23 PM, Patrick O'Callaghan wrote:
> > This is a clean install, so it's enabled by default and has reserved
> > 4GB. I think that's what's actually causing the OOMs. I have 16GB of
> > RAM. On F32 I could run an 8GB VM with hugepages, i.e. dedicated
> > memory, plus normal stuff including multiple browser tabs etc. and
> > never had a problem. Now as soon as I try to start the VM it gets OOM
> > errors, and multiple Firefox tabs are failing and have to be restarted.
> > 
> > poc
> maybe is:
> 
> https://fedoraproject.org/wiki/Changes/KDEEarlyOOM
> 
> try:
> 
> sudo systemctl disable earlyoom

Yes, I may do that. However I'd also like to tune the system so it's
not needed. It was never a problem on F32.

poc
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Re: Swap on BTRFS

[Patrick O'Callaghan]

On Fri, 2020-11-06 at 05:43 +, Qiyu Yan wrote:
> You can use swapfile on btrfs with nocow
> 
> See: 
> https://btrfs.wiki.kernel.org/index.php/FAQ#Does_btrfs_support_swap_files.3F
> 
> And
> 
> https://wiki.archlinux.org/index.php/btrfs#Swap_file for instructions 

Great. I was actually wondering about precisely that, so I'm glad to
see it's supported with the right incantations.

poc
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Re: Swap on BTRFS

[Patrick O'Callaghan]

On Thu, 2020-11-05 at 15:23 -0800, Samuel Sieb wrote:
> On 11/5/20 2:23 PM, Patrick O'Callaghan wrote:
> > On Thu, 2020-11-05 at 10:47 -0800, Samuel Sieb wrote:
> > > Yes.  But have you enabled zram yet for swap?
> > 
> > This is a clean install, so it's enabled by default and has reserved
> > 4GB. I think that's what's actually causing the OOMs. I have 16GB of
> > RAM. On F32 I could run an 8GB VM with hugepages, i.e. dedicated
> > memory, plus normal stuff including multiple browser tabs etc. and
> > never had a problem. Now as soon as I try to start the VM it gets OOM
> > errors, and multiple Firefox tabs are failing and have to be restarted.
> 
> Check what's using the memory.  zram doesn't *reserve* memory.  It 
> doesn't use any memory until you start swapping out.  Try increasing the 
> zram size.  I would suggest at least 12GB.  On my 12GB laptop, I have it 
> set to 12GB.

Trying to get my head around that. You mean all of your RAM is
potentially usable as compressed swap? How does that work? Surely it
can never reach that limit?

poc
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Re: Swap on BTRFS

[Patrick O'Callaghan]

On Fri, 2020-11-06 at 11:18 +, Patrick O'Callaghan wrote:
> On Fri, 2020-11-06 at 05:43 +, Qiyu Yan wrote:
> > You can use swapfile on btrfs with nocow
> > [...]
> > https://wiki.archlinux.org/index.php/btrfs#Swap_file for instructions 
> 
> Great. I was actually wondering about precisely that, so I'm glad to
> see it's supported with the right incantations.

Trying to follow the instructions in the above URL, but clearly I'm
misunderstanding something:

# btrfs sub create /SWAP
Create subvolume '//SWAP'
# btrfs property set /SWAP compression no
# btrfs sub show /SWAP
root/SWAP
Name:   SWAP
UUID:   1d4d839a-fd4e-d345-8d3f-ea858af71982
Parent UUID:-
Received UUID:  -
Creation time:  2020-11-06 11:41:37 +
Subvolume ID:   1311
Generation: 14657
Gen at creation:14547
Parent ID:  257
Top level ID:   257
Flags:  -
Snapshot(s):
# cd /SWAP
# truncate -s 0 ./swapfile
# chattr +C /SWAP
chattr: Invalid argument while setting flags on /SWAP

What am I missing?

poc
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Re: Swap on BTRFS

[Qiyu Yan]

Patrick O'Callaghan  于2020年11月6日周五 下午8:14写道：
>
> On Fri, 2020-11-06 at 11:18 +, Patrick O'Callaghan wrote:
> > On Fri, 2020-11-06 at 05:43 +, Qiyu Yan wrote:
> > > You can use swapfile on btrfs with nocow
> > > [...]
> > > https://wiki.archlinux.org/index.php/btrfs#Swap_file for instructions
> >
> > Great. I was actually wondering about precisely that, so I'm glad to
> > see it's supported with the right incantations.
>
> Trying to follow the instructions in the above URL, but clearly I'm
> misunderstanding something:
>
> # btrfs sub create /SWAP
> Create subvolume '//SWAP'
> # btrfs property set /SWAP compression no
> # btrfs sub show /SWAP
> root/SWAP
> Name:   SWAP
> UUID:   1d4d839a-fd4e-d345-8d3f-ea858af71982
> Parent UUID:-
> Received UUID:  -
> Creation time:  2020-11-06 11:41:37 +
> Subvolume ID:   1311
> Generation: 14657
> Gen at creation:14547
> Parent ID:  257
> Top level ID:   257
> Flags:  -
> Snapshot(s):
> # cd /SWAP
> # truncate -s 0 ./swapfile
> # chattr +C /SWAP
> chattr: Invalid argument while setting flags on /SWAP
Try setting +C flag on the file rather than the subvolume itself
>
> What am I missing?
>
> poc
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Re: Swap on BTRFS

[Patrick O'Callaghan]

On Fri, 2020-11-06 at 20:27 +0800, Qiyu Yan wrote:
> Patrick O'Callaghan  于2020年11月6日周五 下午8:14写道：
> > 
> > On Fri, 2020-11-06 at 11:18 +, Patrick O'Callaghan wrote:
> > > On Fri, 2020-11-06 at 05:43 +, Qiyu Yan wrote:
> > > > You can use swapfile on btrfs with nocow
> > > > [...]
> > > > https://wiki.archlinux.org/index.php/btrfs#Swap_file for instructions
> > > 
> > > Great. I was actually wondering about precisely that, so I'm glad to
> > > see it's supported with the right incantations.
> > 
> > Trying to follow the instructions in the above URL, but clearly I'm
> > misunderstanding something:
> > 
> > # btrfs sub create /SWAP
> > Create subvolume '//SWAP'
> > # btrfs property set /SWAP compression no
> > # btrfs sub show /SWAP
> > root/SWAP
> > Name:   SWAP
> > UUID:   1d4d839a-fd4e-d345-8d3f-ea858af71982
> > Parent UUID:-
> > Received UUID:  -
> > Creation time:  2020-11-06 11:41:37 +
> > Subvolume ID:   1311
> > Generation: 14657
> > Gen at creation:14547
> > Parent ID:  257
> > Top level ID:   257
> > Flags:  -
> > Snapshot(s):
> > # cd /SWAP
> > # truncate -s 0 ./swapfile
> > # chattr +C /SWAP
> > chattr: Invalid argument while setting flags on /SWAP
> Try setting +C flag on the file rather than the subvolume itself

# chattr +C swapfile 
chattr: Invalid argument while setting flags on swapfile

poc

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Re: Swap on BTRFS

[Qiyu Yan]

see
lsattr swapfile
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Re: Swap on BTRFS

[Patrick O'Callaghan]

On Fri, 2020-11-06 at 21:08 +0800, Qiyu Yan wrote:
> see
> lsattr swapfile

# lsattr swapfile
 swapfile
#

poc
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Migration strategy to F33 w/ btrfs?

[Richard Shaw]

I've already done a dnf upgrade to F33 on my system that hasn't had a
"clean" install since at least F24, but at some point I'd like to migrate
to btrfs w/o LVM.

My current plan is to replace my current SSD (500GB Samsung EVO 970 m.2) to
a 1GB version with the process being loosely:

1. Add the new m.2 disk (via PCIE adapter)
2. Perform a clean install to it
3. Capture all the RPMs I have installed and install them on the new install
4. Migrate /etc and /var (where appropriate)
5. Move the new SSD to the MB m.2 slot and remove the old SSD and adapter
(save for another system).

Any better options? /home is already a separate 3TB spinning disk so that
won't change for now.

Thanks,
Richard
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Re: Swap on BTRFS

[Qiyu Yan]

Okay, I think I get it now, just don't set
btrfs property set /SWAP compression no
seems that this lead to something strange, while I can't tell why but
it is totally fine to do so, since nocow means no datacsum and no
compression
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Re: Migration strategy to F33 w/ btrfs?

[Tom Horsley]

On Fri, 6 Nov 2020 09:02:06 -0600
Richard Shaw wrote:

> 2. Perform a clean install to it

You don't necessarily need a clean install. You can
partition and format the new ssd then just rsync
everything to it and use grub2-install to make
it bootable and edit all the grub.conf, grub env
files, fstabs, etc to change the UUID to the new
UUID strings.

Don't know if you'd consider that a better option
or not :-).

It is the way I always do installs by first installing
to a virtual machine then using guestmount and rsync
to get the install off the virtual machine and onto the
partition I'm installing (then I use the configfile
option from a stand alone grub partition which is the
only one that actually boots).
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Re: Swap on BTRFS

[George N. White III]

On Fri, 6 Nov 2020 at 08:42, Patrick O'Callaghan 
wrote:

> On Fri, 2020-11-06 at 20:27 +0800, Qiyu Yan wrote:
> > Patrick O'Callaghan  于2020年11月6日周五 下午8:14写道：
> > >
> > > On Fri, 2020-11-06 at 11:18 +, Patrick O'Callaghan wrote:
> > > > On Fri, 2020-11-06 at 05:43 +, Qiyu Yan wrote:
> > > > > You can use swapfile on btrfs with nocow
> > > > > [...]
> > > > > https://wiki.archlinux.org/index.php/btrfs#Swap_file for
> instructions
> > > >
> > > > Great. I was actually wondering about precisely that, so I'm glad to
> > > > see it's supported with the right incantations.
> > >
> > > Trying to follow the instructions in the above URL, but clearly I'm
> > > misunderstanding something:
> > >
> > > # btrfs sub create /SWAP
> > > Create subvolume '//SWAP'
> > > # btrfs property set /SWAP compression no
> > > # btrfs sub show /SWAP
> > > root/SWAP
> > > Name:   SWAP
> > > UUID:   1d4d839a-fd4e-d345-8d3f-ea858af71982
> > > Parent UUID:-
> > > Received UUID:  -
> > > Creation time:  2020-11-06 11:41:37 +
> > > Subvolume ID:   1311
> > > Generation: 14657
> > > Gen at creation:14547
> > > Parent ID:  257
> > > Top level ID:   257
> > > Flags:  -
> > > Snapshot(s):
> > > # cd /SWAP
> > > # truncate -s 0 ./swapfile
> > > # chattr +C /SWAP
> > > chattr: Invalid argument while setting flags on /SWAP
> > Try setting +C flag on the file rather than the subvolume itself
>
> # chattr +C swapfile
> chattr: Invalid argument while setting flags on swapfile
>

Mybe we are no lnpger meant to use chattr: Manual page btrfs-property(8)
says:

"btrfs property provides an unified and user-friendly method to tune
different btrfs
properties instead of using the traditional method like chattr(1) or
lsattr(1)."

-- 
George N. White III
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Re: Swap on BTRFS

[Patrick O'Callaghan]

On Fri, 2020-11-06 at 23:03 +0800, Qiyu Yan wrote:
> Okay, I think I get it now, just don't set
> btrfs property set /SWAP compression no
> seems that this lead to something strange, while I can't tell why but
> it is totally fine to do so, since nocow means no datacsum and no
> compression

OK, that seems to have worked. Trying it now.

poc
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Re: Migration strategy to F33 w/ btrfs?

[Richard Shaw]

On Fri, Nov 6, 2020 at 9:21 AM Tom Horsley  wrote:

> On Fri, 6 Nov 2020 09:02:06 -0600
> Richard Shaw wrote:
>
> > 2. Perform a clean install to it
>
> You don't necessarily need a clean install. You can
> partition and format the new ssd then just rsync
> everything to it and use grub2-install to make
> it bootable and edit all the grub.conf, grub env
> files, fstabs, etc to change the UUID to the new
> UUID strings.
>
> Don't know if you'd consider that a better option
> or not :-).
>

I kinda wanted to see how the installer setup the new btrfs subvolumes but
guess I could do it manually :)

Also, I wanted to try going without dedicated swap (easy enough not to copy
over) with swap on zram and standard OOM setup.



> It is the way I always do installs by first installing
> to a virtual machine then using guestmount and rsync
> to get the install off the virtual machine and onto the
> partition I'm installing (then I use the configfile
> option from a stand alone grub partition which is the
> only one that actually boots).
>

Interesting method!

Thanks,
Richard
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Re: Swap on BTRFS

[Samuel Sieb]

On 11/6/20 3:36 AM, Patrick O'Callaghan wrote:

On Thu, 2020-11-05 at 15:23 -0800, Samuel Sieb wrote:

On 11/5/20 2:23 PM, Patrick O'Callaghan wrote:

On Thu, 2020-11-05 at 10:47 -0800, Samuel Sieb wrote:

Yes.  But have you enabled zram yet for swap?


This is a clean install, so it's enabled by default and has reserved
4GB. I think that's what's actually causing the OOMs. I have 16GB of
RAM. On F32 I could run an 8GB VM with hugepages, i.e. dedicated
memory, plus normal stuff including multiple browser tabs etc. and
never had a problem. Now as soon as I try to start the VM it gets OOM
errors, and multiple Firefox tabs are failing and have to be restarted.


Check what's using the memory.  zram doesn't *reserve* memory.  It
doesn't use any memory until you start swapping out.  Try increasing the
zram size.  I would suggest at least 12GB.  On my 12GB laptop, I have it
set to 12GB.


Trying to get my head around that. You mean all of your RAM is
potentially usable as compressed swap? How does that work? Surely it
can never reach that limit?


No, that's the uncompressed size.  In general, the compression is at 
least 3:1 so the 12GB of swap takes up a maximum of 4GB of RAM.  My zram 
config appears to be a little confused at this point, but here's what 
one device looks like:

# zramctl
NAME   ALGORITHM DISKSIZE   DATA  COMPR  TOTAL STREAMS MOUNTPOINT
/dev/zram1 lz4 5G   4.9G   1.3G   1.4G   4

It's currently storing 4.9GB of swap data using 1.4GB of RAM.
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Re: Migration strategy to F33 w/ btrfs?

[sixpack13]

I currently don't know if the installer could be forced to install grub to an 
destined disk/ssd when two are in the box:
so I would place the new ssd in the right place *before* installation.

I also don't know if "over-provisioning" is (still) necessary.
is that on your radar ?

hint:
I'm used to tag the edited files under /etc  with #  to find them all 
quickly with fgrep -R  /etc/*
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Re: Migration strategy to F33 w/ btrfs?

[Samuel Sieb]

On 11/6/20 11:00 AM, sixpack13 wrote:

I currently don't know if the installer could be forced to install grub to an 
destined disk/ssd when two are in the box:
so I would place the new ssd in the right place *before* installation.


There is an option, somewhat obscure, to set the boot loader device.
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Re: Migration strategy to F33 w/ btrfs?

[sixpack13]

thanks for clarification.
I wasn't sure. 
It want hurt to put the disks in the right place even it is planed to do so in 
any case afterwards.
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Re: Migration strategy to F33 w/ btrfs?

[Richard Shaw]

On Fri, Nov 6, 2020 at 1:27 PM sixpack13  wrote:

> thanks for clarification.
> I wasn't sure.
> It want hurt to put the disks in the right place even it is planed to do
> so in any case afterwards.
>

For EFI, won't the bios find the EFI partition anyway?

Thanks,
Richard
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Re: Migration strategy to F33 w/ btrfs?

[Samuel Sieb]

On 11/6/20 11:48 AM, Richard Shaw wrote:
On Fri, Nov 6, 2020 at 1:27 PM sixpack13 > wrote:


thanks for clarification.
I wasn't sure.
It want hurt to put the disks in the right place even it is planed
to do so in any case afterwards.


For EFI, won't the bios find the EFI partition anyway?


That too, but it can get complicated if you end up with more than one 
disk with an EFI partition on it.

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Re: Migration strategy to F33 w/ btrfs?

[Richard Shaw]

On Fri, Nov 6, 2020 at 1:56 PM Samuel Sieb  wrote:

> On 11/6/20 11:48 AM, Richard Shaw wrote:
> > On Fri, Nov 6, 2020 at 1:27 PM sixpack13  > > wrote:
> >
> > thanks for clarification.
> > I wasn't sure.
> > It want hurt to put the disks in the right place even it is planed
> > to do so in any case afterwards.
> >
> >
> > For EFI, won't the bios find the EFI partition anyway?
>
> That too, but it can get complicated if you end up with more than one
> disk with an EFI partition on it.
>

For the EFI partition I was going to use gparted and "move" it to the new
disk. I could also just remove the EFI flag (or whatever it's called) and
leave it alone.

Thanks,
Richard
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Re: Migration strategy to F33 w/ btrfs?

[Samuel Sieb]

On 11/6/20 11:59 AM, Richard Shaw wrote:
On Fri, Nov 6, 2020 at 1:56 PM Samuel Sieb > wrote:


On 11/6/20 11:48 AM, Richard Shaw wrote:
 > On Fri, Nov 6, 2020 at 1:27 PM sixpack13 mailto:sixpac...@online.de>
 > >> wrote:
 >
 >     thanks for clarification.
 >     I wasn't sure.
 >     It want hurt to put the disks in the right place even it is
planed
 >     to do so in any case afterwards.
 >
 >
 > For EFI, won't the bios find the EFI partition anyway?

That too, but it can get complicated if you end up with more than one
disk with an EFI partition on it.


For the EFI partition I was going to use gparted and "move" it to the 
new disk. I could also just remove the EFI flag (or whatever it's 
called) and leave it alone.


Yes, either of those would work.
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USB error: vendor cannot be 0

[ToddAndMargo via users]

Hi All,

Anyone know a work around for this?

   Fedroa 32, x64

   $ rpm -qa virt-manager
   virt-manager-3.1.0-1.fc32.noarch

   $ rpm -qa qemu-device-usb-redirect
   qemu-device-usb-redirect-5.1.0-7.fc32.x86_64

Bug I filed on 2020-06-23:
   libvirt.libvirtError: internal error: vendor cannot be 0.
   https://bugzilla.redhat.com/show_bug.cgi?id=1850091

I am trying to install a USB Host device for my
Samsung BAR flash drive and I get the following error:

   Unable to add device: internal error: vendor cannot be 0.

Many thanks,
-T



Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/addhardware.py", line 1289, 
in _finish_cb

failure = self._add_device(dev)
  File "/usr/share/virt-manager/virtManager/addhardware.py", line 1281, 
in _add_device

self.vm.add_device(dev)
  File "/usr/share/virt-manager/virtManager/object/domain.py", line 
580, in add_device

self._redefine_xmlobj(xmlobj)
  File "/usr/share/virt-manager/virtManager/object/libvirtobject.py", 
line 383, in _redefine_xmlobj

self._redefine_xml_internal(origxml, newxml)
  File "/usr/share/virt-manager/virtManager/object/libvirtobject.py", 
line 366, in _redefine_xml_internal

self._define(newxml)
  File "/usr/share/virt-manager/virtManager/object/domain.py", line 
1065, in _define

self.conn.define_domain(xml)
  File "/usr/share/virt-manager/virtManager/connection.py", line 554, 
in define_domain

return self._backend.defineXML(xml)
  File "/usr/lib64/python3.8/site-packages/libvirt.py", line 4361, in 
defineXML

raise libvirtError('virDomainDefineXML() failed')
libvirt.libvirtError: internal error: vendor cannot be 0.

This is the info on the drive:

$ udevadm info /dev/bus/usb/002/005
P: /devices/pci:00/:00:14.0/usb2/2-4
N: bus/usb/002/005
L: 0
E: DEVPATH=/devices/pci:00/:00:14.0/usb2/2-4
E: DEVNAME=/dev/bus/usb/002/005
E: DEVTYPE=usb_device
E: DRIVER=usb
E: PRODUCT=90c/1000/1100
E: TYPE=0/0/0
E: BUSNUM=002
E: DEVNUM=005
E: MAJOR=189
E: MINOR=132
E: SUBSYSTEM=usb
E: USEC_INITIALIZED=13609827609
E: ID_VENDOR=Samsung
E: ID_VENDOR_ENC=Samsung
E: ID_VENDOR_ID=090c
E: ID_MODEL=Flash_Drive
E: ID_MODEL_ENC=Flash\x20Drive
E: ID_MODEL_ID=1000
E: ID_REVISION=1100
E: ID_SERIAL=Samsung_Flash_Drive_0327918050002584
E: ID_SERIAL_SHORT=0327918050002584
E: ID_BUS=usb
E: ID_USB_INTERFACES=:080650:
E: ID_VENDOR_FROM_DATABASE=Silicon Motion, Inc. - Taiwan (formerly Feiya 
Technology Corp.)

E: ID_MODEL_FROM_DATABASE=Flash Drive
E: ID_PATH=pci-:00:14.0-usb-0:4
E: ID_PATH_TAG=pci-_00_14_0-usb-0_4

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Re: USB error: vendor cannot be 0

[Ed Greshko]

On 07/11/2020 05:21, ToddAndMargo via users wrote:

Anyone know a work around for this?

   Fedroa 32, x64

   $ rpm -qa virt-manager
   virt-manager-3.1.0-1.fc32.noarch

   $ rpm -qa qemu-device-usb-redirect
   qemu-device-usb-redirect-5.1.0-7.fc32.x86_64

Bug I filed on 2020-06-23:
   libvirt.libvirtError: internal error: vendor cannot be 0.
https://bugzilla.redhat.com/show_bug.cgi?id=1850091

I am trying to install a USB Host device for my
Samsung BAR flash drive and I get the following error:

   Unable to add device: internal error: vendor cannot be 0.


What is the entry for this device in the list shown?

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Anaconda RAID levels

[Matti Pulkkinen]

Hello!

I tried looking at the documentation for installing Fedora[1], but 
didn't see an explanation of what raid level "single" means in Anaconda. 
If I select two disks for a volume, and then select single level RAID, 
does this mean I'm actually only using one disk, or is it somehow 
equivalent to one of the other RAID levels, or something else entirely?


[1] 
https://docs.fedoraproject.org/en-US/fedora/f33/install-guide/install/Installing_Using_Anaconda/


--
Terveisin / Regards,
Matti Pulkkinen
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Re: USB error: vendor cannot be 0

[ToddAndMargo via users]

  
  
On 2020-11-06 13:37, Ed Greshko wrote:

On
  07/11/2020 05:21, ToddAndMargo via users wrote:
  
  Anyone know a work around for this?


   Fedroa 32, x64


   $ rpm -qa virt-manager

   virt-manager-3.1.0-1.fc32.noarch


   $ rpm -qa qemu-device-usb-redirect

   qemu-device-usb-redirect-5.1.0-7.fc32.x86_64


Bug I filed on 2020-06-23:

   libvirt.libvirtError: internal error: vendor cannot be 0.

https://bugzilla.redhat.com/show_bug.cgi?id=1850091


I am trying to install a USB Host device for my

Samsung BAR flash drive and I get the following error:


   Unable to add device: internal error: vendor cannot be 0.

  
  
  What is the entry for this device in the list shown?
  


Is this what you are asking?


  

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Re: Swap on BTRFS

[Patrick O'Callaghan]

On Fri, 2020-11-06 at 10:59 -0800, Samuel Sieb wrote:
> On 11/6/20 3:36 AM, Patrick O'Callaghan wrote:
> > On Thu, 2020-11-05 at 15:23 -0800, Samuel Sieb wrote:
> > > On 11/5/20 2:23 PM, Patrick O'Callaghan wrote:
> > > > On Thu, 2020-11-05 at 10:47 -0800, Samuel Sieb wrote:
> > > > > Yes.  But have you enabled zram yet for swap?
> > > > 
> > > > This is a clean install, so it's enabled by default and has reserved
> > > > 4GB. I think that's what's actually causing the OOMs. I have 16GB of
> > > > RAM. On F32 I could run an 8GB VM with hugepages, i.e. dedicated
> > > > memory, plus normal stuff including multiple browser tabs etc. and
> > > > never had a problem. Now as soon as I try to start the VM it gets OOM
> > > > errors, and multiple Firefox tabs are failing and have to be restarted.
> > > 
> > > Check what's using the memory.  zram doesn't *reserve* memory.  It
> > > doesn't use any memory until you start swapping out.  Try increasing the
> > > zram size.  I would suggest at least 12GB.  On my 12GB laptop, I have it
> > > set to 12GB.
> > 
> > Trying to get my head around that. You mean all of your RAM is
> > potentially usable as compressed swap? How does that work? Surely it
> > can never reach that limit?
> 
> No, that's the uncompressed size.  In general, the compression is at 
> least 3:1 so the 12GB of swap takes up a maximum of 4GB of RAM.  My zram 
> config appears to be a little confused at this point, but here's what 
> one device looks like:
> # zramctl
> NAME   ALGORITHM DISKSIZE   DATA  COMPR  TOTAL STREAMS MOUNTPOINT
> /dev/zram1 lz4 5G   4.9G   1.3G   1.4G   4
> 
> It's currently storing 4.9GB of swap data using 1.4GB of RAM.

OK.

poc
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Re: Swap on BTRFS

[Patrick O'Callaghan]

On Fri, 2020-11-06 at 12:50 -0400, George N. White III wrote:
> > # chattr +C swapfile
> > chattr: Invalid argument while setting flags on swapfile
> > 
> 
> Mybe we are no lnpger meant to use chattr: Manual page btrfs-
> property(8)
> says:
> 
> "btrfs property provides an unified and user-friendly method to tune
> different btrfs
> properties instead of using the traditional method like chattr(1) or
> lsattr(1)."

I had already looked at btrfs-property when originally trying to set
this up. Unfortunately it doesn't have options relating to COW (or if
it does they aren't documented). Seems strange to me, but there it is.
I don't know of any other way to do this apart from chattr.

poc
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Re: Anaconda RAID levels

[Samuel Sieb]

On 11/6/20 1:38 PM, Matti Pulkkinen wrote:
I tried looking at the documentation for installing Fedora[1], but 
didn't see an explanation of what raid level "single" means in Anaconda. 
If I select two disks for a volume, and then select single level RAID, 
does this mean I'm actually only using one disk, or is it somehow 
equivalent to one of the other RAID levels, or something else entirely?


In the custom partitioning, if you try to create a btrfs file system and 
have multiple disk selected, it gives you some raid options.  I believe 
"single" creates one filesystem across both drives.  The current 
recommendation is to not use any RAID options with btrfs right now.  Use 
mdraid underneath instead.


[1] 
https://docs.fedoraproject.org/en-US/fedora/f33/install-guide/install/Installing_Using_Anaconda/ 


The docs seem a little broken.  The internal links don't work and I 
think some point to sections that don't exist.

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Re: USB error: vendor cannot be 0

[Ed Greshko]

On 07/11/2020 05:53, ToddAndMargo via users wrote:

On 2020-11-06 13:37, Ed Greshko wrote:

On 07/11/2020 05:21, ToddAndMargo via users wrote:

Anyone know a work around for this?

   Fedroa 32, x64

   $ rpm -qa virt-manager
   virt-manager-3.1.0-1.fc32.noarch

   $ rpm -qa qemu-device-usb-redirect
   qemu-device-usb-redirect-5.1.0-7.fc32.x86_64

Bug I filed on 2020-06-23:
   libvirt.libvirtError: internal error: vendor cannot be 0.
https://bugzilla.redhat.com/show_bug.cgi?id=1850091

I am trying to install a USB Host device for my
Samsung BAR flash drive and I get the following error:

   Unable to add device: internal error: vendor cannot be 0.


What is the entry for this device in the list shown?


Is this what you are asking?



Yes.  And how is that device listed when lsusb is run on the host/

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Re: USB error: vendor cannot be 0

[Ed Greshko]

On 07/11/2020 05:53, ToddAndMargo via users wrote:

On 2020-11-06 13:37, Ed Greshko wrote:

On 07/11/2020 05:21, ToddAndMargo via users wrote:

Anyone know a work around for this?

   Fedroa 32, x64

   $ rpm -qa virt-manager
   virt-manager-3.1.0-1.fc32.noarch

   $ rpm -qa qemu-device-usb-redirect
   qemu-device-usb-redirect-5.1.0-7.fc32.x86_64

Bug I filed on 2020-06-23:
   libvirt.libvirtError: internal error: vendor cannot be 0.
https://bugzilla.redhat.com/show_bug.cgi?id=1850091

I am trying to install a USB Host device for my
Samsung BAR flash drive and I get the following error:

   Unable to add device: internal error: vendor cannot be 0.


What is the entry for this device in the list shown?


Is this what you are asking?





Oh, and the device doesn't show up when you click on "Virtual Machine" --> "Redirect 
usb device"?

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Re: USB error: vendor cannot be 0

[ToddAndMargo via users]

On 2020-11-06 14:44, Ed Greshko wrote:

On 07/11/2020 05:53, ToddAndMargo via users wrote:

On 2020-11-06 13:37, Ed Greshko wrote:

On 07/11/2020 05:21, ToddAndMargo via users wrote:

Anyone know a work around for this?

   Fedroa 32, x64

   $ rpm -qa virt-manager
   virt-manager-3.1.0-1.fc32.noarch

   $ rpm -qa qemu-device-usb-redirect
   qemu-device-usb-redirect-5.1.0-7.fc32.x86_64

Bug I filed on 2020-06-23:
   libvirt.libvirtError: internal error: vendor cannot be 0.
https://bugzilla.redhat.com/show_bug.cgi?id=1850091

I am trying to install a USB Host device for my
Samsung BAR flash drive and I get the following error:

   Unable to add device: internal error: vendor cannot be 0.


What is the entry for this device in the list shown?


Is this what you are asking?



Yes.  And how is that device listed when lsusb is run on the host/


I am now on Fedora 33

$ lsusb -v -D /dev/bus/usb/002/003
Device: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya 
Technology Corp.) Flash Drive

Couldn't open device, some information will be missing
Device Descriptor:
  bLength18
  bDescriptorType 1
  bcdUSB   3.10
  bDeviceClass0
  bDeviceSubClass 0
  bDeviceProtocol 0
  bMaxPacketSize0 9
  idVendor   0x090c Silicon Motion, Inc. - Taiwan (formerly 
Feiya Technology Corp.)

  idProduct  0x1000 Flash Drive
  bcdDevice   11.00
  iManufacturer   1
  iProduct2
  iSerial 3
  bNumConfigurations  1
  Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength   0x002c
bNumInterfaces  1
bConfigurationValue 1
iConfiguration  0
bmAttributes 0x80
  (Bus Powered)
MaxPower  304mA
Interface Descriptor:
  bLength 9
  bDescriptorType 4
  bInterfaceNumber0
  bAlternateSetting   0
  bNumEndpoints   2
  bInterfaceClass 8 Mass Storage
  bInterfaceSubClass  6 SCSI
  bInterfaceProtocol 80 Bulk-Only
  iInterface  0
  Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01  EP 1 OUT
bmAttributes2
  Transfer TypeBulk
  Synch Type   None
  Usage Type   Data
wMaxPacketSize 0x0400  1x 1024 bytes
bInterval   0
bMaxBurst   8
  Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82  EP 2 IN
bmAttributes2
  Transfer TypeBulk
  Synch Type   None
  Usage Type   Data
wMaxPacketSize 0x0400  1x 1024 bytes
bInterval   0
bMaxBurst   8
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Re: USB error: vendor cannot be 0

[ToddAndMargo via users]

  
  
On 2020-11-06 14:57, Ed Greshko wrote:

On
  07/11/2020 05:53, ToddAndMargo via users wrote:
  
  On 2020-11-06 13:37, Ed Greshko wrote:

On 07/11/2020 05:21, ToddAndMargo via
  users wrote:
  
  Anyone know a work around for this?


   Fedroa 32, x64


   $ rpm -qa virt-manager

   virt-manager-3.1.0-1.fc32.noarch


   $ rpm -qa qemu-device-usb-redirect

   qemu-device-usb-redirect-5.1.0-7.fc32.x86_64


Bug I filed on 2020-06-23:

   libvirt.libvirtError: internal error: vendor cannot be 0.

https://bugzilla.redhat.com/show_bug.cgi?id=1850091


I am trying to install a USB Host device for my

Samsung BAR flash drive and I get the following error:


   Unable to add device: internal error: vendor cannot be 0.

  
  
  What is the entry for this device in the list shown?
  


Is this what you are asking?




  
  
  Oh, and the device doesn't show up when you click on "Virtual
  Machine" --> "Redirect usb device"?
  


This flash drive has a full version of Fedora 32 installed
on it and does boot into Fedora 32 when booted natively.



  

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Re: USB error: vendor cannot be 0

[ToddAndMargo via users]

  
  
On 2020-11-06 14:57, Ed Greshko wrote:

On
  07/11/2020 05:53, ToddAndMargo via users wrote: 
  On 2020-11-06 13:37, Ed Greshko wrote: 
On 07/11/2020 05:21, ToddAndMargo via
  users wrote: 
  Anyone know a work around for this? 

   Fedroa 32, x64 

   $ rpm -qa virt-manager 
   virt-manager-3.1.0-1.fc32.noarch 

   $ rpm -qa qemu-device-usb-redirect 
   qemu-device-usb-redirect-5.1.0-7.fc32.x86_64 

Bug I filed on 2020-06-23: 
   libvirt.libvirtError: internal error: vendor cannot be 0.

https://bugzilla.redhat.com/show_bug.cgi?id=1850091


I am trying to install a USB Host device for my 
Samsung BAR flash drive and I get the following error: 

   Unable to add device: internal error: vendor cannot be 0.

  
  
  What is the entry for this device in the list shown? 


Is this what you are asking? 



  
  
  Oh, and the device doesn't show up when you click on "Virtual
  Machine" --> "Redirect usb device"? 


This flash drive has a full version of Fedora 32 installed
on it and does boot into Fedora 32 when booted natively.

Redirect usb devices:

  

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Oh God! More helpful software :-).

[Tom Horsley]

For as long as I can remember I've run dnf update in a root
xterm and when all the akmod activity and wot-not is finished,
I've run reboot from another terminal.

Now, it won't reboot "because root is logged in".

Gah! Who cares if root is logged in?

Can I disable this helpful feature any way?
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Re: USB error: vendor cannot be 0

[ToddAndMargo via users]

On 2020-11-06 13:21, ToddAndMargo via users wrote:

Hi All,

Anyone know a work around for this?

    Fedroa 32, x64

    $ rpm -qa virt-manager
    virt-manager-3.1.0-1.fc32.noarch

    $ rpm -qa qemu-device-usb-redirect
    qemu-device-usb-redirect-5.1.0-7.fc32.x86_64

Bug I filed on 2020-06-23:
    libvirt.libvirtError: internal error: vendor cannot be 0.
    https://bugzilla.redhat.com/show_bug.cgi?id=1850091

I am trying to install a USB Host device for my
Samsung BAR flash drive and I get the following error:

    Unable to add device: internal error: vendor cannot be 0.

Many thanks,
-T


New info.  ALL of my flash drive are now doing this!
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Re: USB error: vendor cannot be 0

[Ed Greshko]

On 07/11/2020 10:40, ToddAndMargo via users wrote:

This flash drive has a full version of Fedora 32 installed
on it and does boot into Fedora 32 when booted natively.


Oh, I see.  You want to boot F32 from the usb?
I've had the need to try that.



Redirect usb devices:


AFAIK, redirection is only available when the VM is running.

---
The key to getting good answers is to ask good questions.
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Re: USB error: vendor cannot be 0

[ToddAndMargo via users]

On 2020-11-06 20:20, Ed Greshko wrote:

On 07/11/2020 10:40, ToddAndMargo via users wrote:

This flash drive has a full version of Fedora 32 installed
on it and does boot into Fedora 32 when booted natively.


Oh, I see.  You want to boot F32 from the usb?
I've had the need to try that.



Redirect usb devices:


AFAIK, redirection is only available when the VM is running.



I made the screenshot from another running VM


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Re: f31:: thunderbird/kde:: extension of window below desktop

[Gordon Messmer]

On 11/3/20 1:43 AM, Adrian Sevcenco wrote:
the thunderbird window cannot be resized in vertical size and also 
cannot be moved vertically ... 



Not exactly, but I'd expect you to be able to resize a window from any 
visible corner.  Can you resize windows if you zoom out?


https://docs.kde.org/trunk5/en/applications/fundamentals/kbd.html

Maybe Alt + Right mouse button to resize?

https://www.reddit.com/r/kde/comments/6963sa/plasma_tip_you_can_resize_the_window_in_any/
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